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Incorporation of Lippia citriodora Microwave Extract into Total-Green Biogelatin-Phospholipid Vesicles to Improve Its Antioxidant Activity.


ABSTRACT: Phytochemicals from Lippia citriodora leaves were extracted by applying an innovative technology based on the use of microwaves, which represents an alternative method to extract bioactive substances. The obtained extract was incorporated into phospholipid vesicles in order to promote the antioxidant effect of the bioactive molecules present in L. citriodora extract. The extract was analyzed by High Performance Liquid Chromatography coupled to Time-Of-Flight mass spectrometer by electrospray (HPLC-ESI-TOF-MS) and different phytochemicals were detected and quantified. The whole extract was incorporated in liposomes, glycerosomes (liposomes modified with glycerol) and propylene glycol-containing vesicles (PG-PEVs). Moreover, a biopolymer obtained from fish by-product, that is Thunnus albacares skin, was added to improve the bioactivity of the formulations. The in vitro biocompatibility and the antioxidant efficacy of the extract in solution or loaded in the vesicles were tested in primary mouse embryonic fibroblasts (3T3). The results showed the superior bioactivity of the vesicle formulations over the aqueous solution of the extract, which points to an interesting strategy for the treatment of skin disorders.

SUBMITTER: Leyva-Jimenez FJ 

PROVIDER: S-EPMC7221744 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Incorporation of <i>Lippia citriodora</i> Microwave Extract into Total-Green Biogelatin-Phospholipid Vesicles to Improve Its Antioxidant Activity.

Leyva-Jiménez Francisco Javier FJ   Manca Maria Letizia ML   Manconi Maria M   Manconi Maria M   Caddeo Carla C   Vázquez José Antonio JA   Lozano-Sánchez Jesús J   Escribano-Ferrer Elvira E   Arráez-Román David D   Segura-Carretero Antonio A  

Nanomaterials (Basel, Switzerland) 20200416 4


Phytochemicals from <i>Lippia citriodora</i> leaves were extracted by applying an innovative technology based on the use of microwaves, which represents an alternative method to extract bioactive substances. The obtained extract was incorporated into phospholipid vesicles in order to promote the antioxidant effect of the bioactive molecules present in <i>L. citriodora</i> extract. The extract was analyzed by High Performance Liquid Chromatography coupled to Time-Of-Flight mass spectrometer by el  ...[more]

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